* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  overflow-x: hidden;
  user-select:none;
}
.mainBox {
  width: 100vw;
  /* width: 1920px; */
  height: 1080px;
  position: relative;
  overflow: hidden;
}
.mainBox .iframeBox {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
.mainBox .iframeBox iframe {
  width: 100%;
  height: 100%;
}
.mainBox .maintop {
  position: relative;
  width: 100%;
  height: 62px;
  background: url("../img/index/topBac.png") center center no-repeat,
    linear-gradient(rgba(25, 59, 78, 0.7), rgba(102, 200, 255, 0.2));
  z-index: 30;
}

.maintop .maintopC {
  width: 100%;
  height: 62px;
  /* border: 1px solid red; */
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 26px;
  font-weight: bolder;
  font-style: italic;
  letter-spacing: 2px;
}
.mainBox .maintop .maintopL {
  color: #fff;
  font-size: 14px;
  position: absolute;
  top: 0;
  left: 0;
  width: 300px;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: 10px;
  padding-left: 40px;
}
.mainBox .maintop .maintopL .bs {
  opacity: 0.5;
  width: 2px;
  height: 16px;
  background-color: #fff;
  margin: 0 18px;
}
.mainBox .maintop .maintopL .tq {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mainBox .maintop .maintopL .tq > img {
  width: 17px;
  height: 12px;
  margin-right: 6px;
}
.mainBox .maintop .maintopR {
  opacity: 0;
  pointer-events: none;
  color: #fff;
  font-size: 14px;
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding-bottom: 10px;
  padding-right: 50px;
}
.mainBox .maintop .maintopR > img {
  cursor: pointer;
  margin-right: 20px;
}
.mainBox .maintop .maintopR .bs {
  opacity: 0.5;
  width: 2px;
  height: 16px;
  background-color: #fff;
  margin-right: 20px;
}
.mainBox .maintop .maintopR .user {
  cursor: pointer;
}
.mainBox .main {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 1020px;
}
.mainBox .main .mainLeft {
  width: 425px;
  height: 1020px;
  background-image: linear-gradient(
    rgba(25, 59, 78, 0.7),
    rgba(20, 44, 57, 0.5)
  );
  z-index: 10000;
}
.mainBox .main .mainRight {
  width: 430px;
  height: 1020px;
  background-image: linear-gradient(
    rgba(25, 59, 78, 0.7),
    rgba(20, 44, 57, 0.5)
  );
  z-index: 10000;
}

.youBack{
  position: absolute;
  top: 5px;
  right: 35px;
  z-index: 15;
  display: flex;
  font-size: 14px;
  color: #fff;
  cursor: pointer;
  height: 50px;
  align-items: center;
}
.youBack img{
  padding-top: 2px;
  width: 35px;
  height: 35px;
  margin-right: 5px;
}